Structure 730022 · Gates County, NC

Sr1312 over Middle Swamp

Carries Sr1312 over Middle Swamp, 1.3 Mi.n.jct.sr1318.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT60 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 6/9

60 ft end to end, longest span 20 ft. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197353 years old
Length59.7 ft18.2 m
Daily traffic200counted 2022
Last inspectedJanuary 2024every 24 months

Location

StateNorth Carolina
CountyGates
Location1.3 Mi.n.jct.sr1318
CarriesSr1312
CrossesMiddle Swamp
Coordinates36.48970, -76.67813

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length59.7 ft (18.2 m)
Max Span19.7 ft (6 m)
Deck Width27.9 ft (8.5 m)
Deck Area154.7 sq m
Main Spans3
Year Built1973

Traffic

Avg Daily Traffic200 (2022)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000000730022

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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